/**
 * Created by minigci.he on 16/9/22.
 */
console.log('-------------------')
console.log('test3')

function Obj(value){
    this.value = value;
    this.next = null;
}
Obj.prototype[Symbol.iterator] = function(){
    var iterator = {
        next: next,

    };

    var current = this;
    function next(){
        if(current){
            var value = current.value;
            var done = current == null;
            current = current.next;
            return {
                done: done,
                value: value
            }
        }else{
            return {
                done: true
            }
        }
    }
    return iterator;

}

var one = new Obj(1);
var two = new Obj(2);
var three = new Obj(3);

one.next = two;
two.next = three;

for(var i of one){
    console.log(i);
}
// 1
// 2
// 3

